adafruit-mirror/Adafruit_Learning_System_Guides
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Format Snow Globe

Browse source
This commit is contained in:
Craig Richardson 2018-05-14 18:26:03 +01:00
parent 109c0e7be0
commit b6e71dafd0
1 changed files with 43 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
SnowGlobe/main.py
View file

@ -1,11 +1,10 @@
# Snow Globe
# for Adafruit Circuit Playground express
# with CircuitPython
"""Snow Globe for Adafruit Circuit Playground express with CircuitPython """
from adafruit_circuitplayground.express import cpx
import math
import time
from adafruit_circuitplayground.express import cpx
ROLL_THRESHOLD = 30 # Total acceleration
cpx.pixels.brightness = 0.1 # set brightness value
@ -21,7 +20,8 @@ new_roll = False
rolling = False
def fade_pixels(fade_color): # pick from colors defined above, e.g., RED, GREEN, BLUE, WHITE, etc.
# pick from colors defined above, e.g., RED, GREEN, BLUE, WHITE, etc.
def fade_pixels(fade_color):
# fade up
for j in range(25):
pixel_brightness = (j * 0.01)
@ -36,6 +36,7 @@ def fade_pixels(fade_color): # pick from colors defined above, e.g., RED, GREEN
for i in range(10):
cpx.pixels[i] = fade_color
# fade in the pixels
fade_pixels(GREEN)
@ -53,49 +54,64 @@ def play_song(song_number):
eighth_note = whole_note / 8
# set up note values
A3 = 220
Bb3 = 233
B3 = 247
# A3 = 220
# Bb3 = 233
# B3 = 247
C4 = 262
Db4 = 277
# Db4 = 277
D4 = 294
Eb4 = 311
# Eb4 = 311
E4 = 330
F4 = 349
Gb4 = 370
# Gb4 = 370
G4 = 392
Ab4 = 415
# Ab4 = 415
A4 = 440
Bb4 = 466
# Bb4 = 466
B4 = 494
if song_number == 1:
# jingle bells
jingle_bells_song = [[E4, quarter_note], [E4, quarter_note],
[E4, half_note], [E4, quarter_note], [E4, quarter_note],
[E4, half_note], [E4, quarter_note], [G4, quarter_note],
[C4, dotted_quarter_note], [D4, eighth_note], [E4, whole_note]]
jingle_bells_song = [
[E4, quarter_note],
[E4, quarter_note],
[E4, half_note],
[E4, quarter_note],
[E4, quarter_note],
[E4, half_note],
[E4, quarter_note],
[G4, quarter_note],
[C4, dotted_quarter_note],
[D4, eighth_note],
[E4, whole_note],
]
for n in range(len(jingle_bells_song)):
cpx.start_tone(jingle_bells_song[n][0])
time.sleep(jingle_bells_song[n][1])
cpx.stop_tone()
if song_number == 2:
# Let It Snow
let_it_snow_song = [[B4, dotted_quarter_note], [A4, eighth_note],
[G4, quarter_note], [G4, dotted_quarter_note], [F4, eighth_note],
[E4, quarter_note], [E4, dotted_quarter_note], [D4, eighth_note],
[C4, whole_note]]
let_it_snow_song = [
[B4, dotted_quarter_note],
[A4, eighth_note],
[G4, quarter_note],
[G4, dotted_quarter_note],
[F4, eighth_note],
[E4, quarter_note],
[E4, dotted_quarter_note],
[D4, eighth_note],
[C4, whole_note],
]
for n in range(len(let_it_snow_song)):
cpx.start_tone(let_it_snow_song[n][0])
time.sleep(let_it_snow_song[n][1])
cpx.stop_tone()
play_song(1) # play music on start
play_song(1) # play music on start
# Loop forever
while True:
@ -114,7 +130,8 @@ while True:
y_total = y_total / 10
z_total = z_total / 10
total_accel = math.sqrt(x_total*x_total + y_total*y_total + z_total*z_total)
total_accel = math.sqrt(x_total * x_total + y_total *
y_total + z_total * z_total)
# Check for rolling
if total_accel > ROLL_THRESHOLD:
@ -127,7 +144,7 @@ while True:
# Keep rolling for a period of time even after shaking stops
if new_roll:
if time.monotonic() - roll_start_time > 2: # seconds to run
rolling = False
rolling = False
# Light show
if rolling:
@ -140,7 +157,7 @@ while True:
new_roll = False
# play a song!
play_song(2)
#return to resting color
# return to resting color
fade_pixels(GREEN)
cpx.pixels.brightness = 0.05
cpx.pixels.fill(GREEN)